On the libata side of things, does this patch produce any useful results?
Jeff
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 46c4cdb..4691f8d 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4794,7 +4794,14 @@ ata_pci_init_native_mode(struct pci_dev
pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4);
ata_std_ports(&probe_ent->port[p]);
- p++;
+
+ if (pci_resource_start(pdev, 0) &&
+ pci_resource_len(pdev, 0) &&
+ pci_resource_start(pdev, 1) &&
+ pci_resource_len(pdev, 1) &&
+ pci_resource_start(pdev, 4) &&
+ pci_resource_len(pdev, 4))
+ p++;
}
if (ports & ATA_PORT_SECONDARY) {
@@ -4804,10 +4811,23 @@ ata_pci_init_native_mode(struct pci_dev
pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4) + 8;
ata_std_ports(&probe_ent->port[p]);
- p++;
+
+ if (pci_resource_start(pdev, 2) &&
+ pci_resource_len(pdev, 2) &&
+ pci_resource_start(pdev, 3) &&
+ pci_resource_len(pdev, 3) &&
+ pci_resource_start(pdev, 4) &&
+ pci_resource_len(pdev, 4) > 8)
+ p++;
}
probe_ent->n_ports = p;
+
+ if (p == 0) {
+ kfree(probe_ent);
+ probe_ent = NULL;
+ }
+
return probe_ent;
}
@@ -4815,6 +4835,10 @@ static struct ata_probe_ent *ata_pci_ini
{
struct ata_probe_ent *probe_ent;
+ if (!pci_resource_start(pdev, 4) ||
+ !pci_resource_len(pdev, 4))
+ return NULL;
+
probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port);
if (!probe_ent)
return NULL;
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